Abstract
WHILE examining the variation in time of plasmatic PB131I (normal human subject) after ingestion of an Na131I as a tracer, we have found, in some cases, the existence of a radioactivity ‘peak’ during the first few hours after ingestion. The phenomenon is repeated, whatever the method of separation of the plasmatic proteins: precipitation with trichloroacetic acid; fractioning by ion-exchanger resin1, or in a ‘Sephadex’ column2. Fig. 1 illustrates a typical case.
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References
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RIVIERE, R., COMAR, D., BLANQUET, P. et al. Precocious Organic Iodine Secretion in the Blood by the Thyroid Gland. Nature 200, 682–683 (1963). https://doi.org/10.1038/200682b0
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DOI: https://doi.org/10.1038/200682b0
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